22807464 has 32 divisors (see below), whose sum is σ = 57348000. Its totient is φ = 7558592.

The previous prime is 22807457. The next prime is 22807469. The reversal of 22807464 is 46470822.

It is a super-2 number, since 2×22807464² = 1040360828222592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22807469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1642 + ... + 6950.

It is an arithmetic number, because the mean of its divisors is an integer number (1792125).

Almost surely, 2^22807464 is an apocalyptic number.

22807464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22807464 is an abundant number, since it is smaller than the sum of its proper divisors (34540536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22807464 is a wasteful number, since it uses less digits than its factorization.

22807464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497 (or 5493 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 22807464 is about 4775.7160719624. The cubic root of 22807464 is about 283.5909272894.

The spelling of 22807464 in words is "twenty-two million, eight hundred seven thousand, four hundred sixty-four".